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Showing posts with the label pharmacology

Cannabis: menace or medicine?

Latex gloves, white lab coat and an expression of intense concentration. This is not your stereotypical image of a cannabis user, but it is one. Scientific researchers from all over the globe are devoting their time to uncovering the secrets of cannabis. If you are able to believe the hype, cannabis can relieve pain, prevent infection by HIV and fight cancer. In the UK, the first medicinal license for a cannabis-based medicine, Sativex , was granted in 2010, yet cannabis remains an illegal substance. So, is it medicine or menace?

Wine and Grapes Will NOT Prevent Sunburn

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I was really disappointed to see this article written in The Telegraph, ' 'Drinking Wine Could Help To Stop Sunburn' this week. A really glaringly obvious example of really bad science and bad churnalism. The article states, 'Drinking wine or eating grapes could protect you from sunburn, according to a new study that found a chemical in the fruit can limit cell damage.' Alongside this very appealing picture of a glass of wine in the sun. Nice, well then, let's all go outside and have a glass of wine in the sunshine and feel good about ourselves. Sound too good to be true? It probably is. The article refers to a study published in Agricultural and Food Chemistry (not free access). The study tested some grape extracts (polyphenolic fractions, not wine) on some skin cells in a dish. They then exposed the cells to some UVA and UVB rays. They found that some of the extracts reduced the numbers of damaging reactive oxygen species (ROS) in the treated vs untreat...